on the other hand, i think because of the recent report on the atomic energy committee is there's no sign that they are stopping. they hold views and do things that most people within the region find unacceptable. >> if we cut off iran's ability to export oil and which would face them with the prospect of a devastating economic blow, i think that would be an inevitable move to war and i think it would be a very serious mistake. >> you deliberately avoided any kind of military conflict with iran when you were president. >> yes, i did. i was advised by many of our people to go to war with iran, to bomb them and punish them for holding our hostage. >> do you still think it would be a terrible error to do that? >> i do. because every one of our hostages came home safe and free. >> when we come back from aurora, colorado to the tragedy of utah, what may be the most controversial topic of the year -- guns in america. look who's back. again? it's embarrassing it's embarrassing! we can see you carl. we can totally see you. come on you're better than this...all that prowling around. yeah, you